USS Caldwell in harbor in 1919 | |
Class overview | |
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Name | Caldwell class |
Builders | |
Operators | |
Preceded by | Sampson class |
Succeeded by | Wickes class |
Subclasses | Town class |
Built | 1916–20 |
In commission | 1917–45 |
Completed | 6 |
Retired | 6 |
General characteristics | |
Type | Destroyer |
Displacement |
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Length |
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Beam | 31 ft 3 in (9.53 m) |
Draft |
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Propulsion |
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Speed |
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Complement | 146 |
Armament |
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The Caldwell class was a class of six "flush deck" United States Navy destroyers built during World War I and shortly after. Four served as convoy escorts in the Atlantic; the other two were completed too late for wartime service. Two were scrapped during the 1930s, but four survived to serve throughout World War II, three of these in service with the Royal Navy under the Destroyers for Bases Agreement and the fourth as a high speed transport.
The six Caldwell-class torpedo boat destroyers were authorized by Congress under the Act of 3 March 1915, "to have a speed of not less than thirty knots per hour [sic] and to cost, exclusive of armor and armament, not to exceed $925,000.00 each ...Provided, that three of said torpedo-boats herein authorized shall be built on the Pacific Coast."
Built from 1916 to 1918, the six ships of the Caldwell class were the first of 279 ordered (6 of which were cancelled) to a flush-decked design to remove the forecastle break weakness of the preceding Sampson class and other "thousand tonners". They were effectively prototypes of the mass production Wickes and Clemson-class vessels which followed them, although somewhat slower (30–32 knots (56–59 km/h) vs. 35 knots (65 km/h)) and differing in some details. The forward sheer of the Caldwell class was improved to keep "A" mount from being constantly washed out; however, this was unsuccessful. [3] The Caldwells had a cutaway stern rather than the cruiser stern of the later ships, and thus had a tighter turning radius than their successors. [3] [4] The armament of the Sampsons was retained, but the broadside 4-inch (102 mm) guns were relocated to "bandstands" aft of the bridge. There were differences in appearance; Caldwell, Craven and Manley were built with four "stacks" (funnels), while Gwin, Conner and Stockton had only three. The middle stack of the three-stack ships was wider due to combining two boiler uptakes. Once the mass-production destroyers made the design prevalent, the Caldwells and their successors became known as "flush-deck" or "four-stack" destroyers. [5]
Manley was converted to a prototype high-speed destroyer transport (hull classification symbol APD) in 1939, with her forward stacks and boilers removed to give her the capacity to lift 200 Marines and four 11 m (36 ft) Higgins assault boats (LCP(L), LCP(R), or LCVP). She saw action at Guadalcanal, Kwajalein, Saipan, and the Philippines.
Three entered Royal Navy service in 1940 under the Destroyers for Bases Agreement as part of the Town class. Conner, serving as HMS Leeds, provided cover at Gold Beach on 6 June 1944; her sisters served as convoy escorts. All three survived the war, two being sunk as targets and one scrapped, postwar.
The armament repeated that of the preceding Sampson-class of "thousand tonners", and would be retained in the subsequent mass production "flush deckers". While the gun armament was typical for destroyers of this period, the torpedo armament of twelve 21-inch (533 mm) torpedo tubes was larger than usual, in accordance with American practice at the time. A factor in the size of the torpedo armament was the General Board's decision to use broadside rather than centerline torpedo tubes. [6] This was due to the desire to have some torpedoes remaining after firing a broadside, and problems experienced with centerline mounts on previous classes with torpedoes striking the gunwales of the firing ship. [7] The Mark 8 torpedo was equipped. The "bandstand" location of the waist 4-inch guns kept the mounts dry, but restricted the firing arc.
These ships carried a 3-inch (76 mm) 23 caliber anti-aircraft (AA) gun, typically just aft of the bow 4-inch gun. The original design called for two 1-pounder AA guns, but these were in short supply and the 3-inch gun was more effective. Anti-submarine (ASW) armament was added during World War I, or included in the initial design with DD-70 and DD-71. Typically, a single depth charge rack was provided aft, along with a Y-gun depth charge projector forward of the aft deckhouse. [8]
As a somewhat experimental class, the Caldwells differed in their engineering. Conner and Stockton, built by Cramp, followed the class's original design, with three-shaft direct drive steam turbines. A high-pressure turbine on the center shaft exhausted to low-pressure turbines on the outboard shafts. A geared cruising turbine was provided on the center shaft for fuel economy at low and moderate speeds. Caldwell had two shafts with two Curtis geared turbines and two separate cruising turbines. The latter were connected via an experimental "electric speed reducing gear", a forerunner of the turbo-electric drive that would be used on several US battleships and aircraft carriers built from World War I through the 1920s. [3] [8] With a further increase in horsepower, this geared turbine arrangement was adopted for the later mass-production classes. The remaining ships had two shafts with geared turbines and no cruising turbines. [9] This arrangement saw an increase from 18,500 to 20,000 shaft horsepower (13,800 to 14,900 kW) and the ships' speed from 30 to 32 knots (56 to 59 km/h; 35 to 37 mph). [1]
Hull no. | Name | Builder | Laid down | Launched | Comm- issioned | Decomm- issioned | Fate | Service notes |
---|---|---|---|---|---|---|---|---|
DD-69 | Caldwell | Mare Island Navy Yard | 8 December 1916 | 10 July 1917 | 1 December 1917 | 27 June 1922 | Scrapped 1936 | |
DD-70 | Craven | Norfolk Navy Yard | 20 November 1917 | 29 June 1918 | 19 October 1918 | 15 June 1922 | Scuttled May 1946 | Transferred to Royal Navy as HMS Lewes |
9 August 1940 | 23 October 1940 | |||||||
DD-71 | Gwin | Seattle Dry Dock Company | 21 June 1917 | 22 December 1917 | 20 March 1920 | 28 June 1922 | Scrapped 1939 | |
DD-72 | Conner | William Cramp & Sons | 16 October 1916 | 21 August 1917 | 12 January 1918 | 21 June 1922 | Scrapped March 1947 | Transferred to Royal Navy as HMS Leeds |
23 August 1940 | 23 October 1940 | |||||||
DD-73 | Stockton | William Cramp & Sons | 16 October 1916 | 17 July 1717 | 26 November 1917 | 26 June 1922 | Scuttled July 1945 | Transferred to Royal Navy as HMS Ludlow |
16 August 1940 | 23 October 1940 | |||||||
DD-74 | Manley | Bath Iron Works | 22 August 1916 | 23 August 1917 | 15 October 1917 | 14 June 1922 | Scrapped 1946 | Re-designated AG-28 on 28 November 1938; Re-designated APD-1 on 2 August 1940 |
1 May 1930 | 19 November 1945 |
The Clemson class was a series of 156 destroyers which served with the United States Navy from after World War I through World War II.
The Wickes-class destroyers were a class of 111 destroyers built by the United States Navy in 1917–19. Together with the six preceding Caldwell-class and following 156 subsequent Clemson-class destroyers, they were grouped as the "flush-deck" or "four-stack" type. Only a few were completed in time to serve in World War I, including USS Wickes, the lead ship of the class.
The Beagle class was a class of sixteen destroyers of the Royal Navy, all ordered under the 1908-1909 programme and launched in 1909 and 1910. The Beagles served during World War I, particularly during the Dardanelles Campaign of 1915.
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The Aylwin class was a class of four destroyers in the United States Navy; all served as convoy escorts during World War I. The Aylwins were the second of five "second-generation" 1000-ton four-stack destroyer classes that were front-line ships of the Navy until the 1920s. They were known as "thousand tonners". All were scrapped in 1935 to comply with the London Naval Treaty.
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USS Caldwell (DD-69) was the lead ship of her class of destroyers built for the United States Navy in the 1910s.
USS Craven (DD-70), later renamed USS Conway (DD-70), a Caldwell-class destroyer, was in commission in the United States Navy from 1918 to 1922 and briefly in 1940, and later in the Royal Navy as HMS Lewes from 1940 to 1945.
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